<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0377-9424</journal-id>
<journal-title><![CDATA[Agronomía Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Costarricense]]></abbrev-journal-title>
<issn>0377-9424</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Colegio de Ingenieros y Agrónomos. Ministerio de Agricultura y Ganadería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0377-94242019000200123</article-id>
<article-id pub-id-type="doi">10.15517/rac.v43i2.38203</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Curvas diferenciadas de índice de sitio para Vochysia guatemalensis en la región huetar norte y huetar caribe de Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Differentiated site index curves for Vochysia guatemalensis in the Northern and Caribbean Huetar Regions of Costa Rica.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Porras]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandí]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Investigador jubilado  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad EARTH  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Consultor privado  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>43</volume>
<numero>2</numero>
<fpage>123</fpage>
<lpage>138</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0377-94242019000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0377-94242019000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0377-94242019000200123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El análisis del crecimiento en altura domi- nante para Vochysia guatemalensis, basado en una muestra de parcelas permanentes localizadas en las regiones Huetar Norte y Huetar Caribe, permitió distinguir 2 patrones de crecimiento disímiles y a la vez desarrollar curvas diferen- ciadas de índice de sitio. Para llevar a cabo este trabajo, se utilizó toda la información disponible sobre el crecimiento de esta especie, proveniente de organizaciones públicas y privadas, lo cual da origen a una muestra de 43 parcelas perma- nentes de muestreo; las mismas produjeron 397 promedios de altura dominante-edad con los que se ajustaron todos los modelos. El primer paso fue clasificar el crecimiento en altura dominante y como resultado se crearon, preliminarmente, 3 clases de calidad de sitio; esto permitió com- probar la existencia de 2 diferentes patrones de crecimiento en la muestra: uno representado por las clases I y II (Muestra 1) y el otro por la clase III (Muestra 2). La prueba de Levene no rechazó la hipótesis de igualdad de varianzas entre las muestras, lo cual indica que existe una alta pro- babilidad de que las muestras 1 y 2 provengan de la misma población, mientras que la prueba t rechazó la hipótesis nula de igualdad de medias, al revelar que existen diferencias significativas en el promedio de las alturas dominantes de ambas muestras. Debido a esto, se decidió ajustar 2 juegos de curvas separadas de índice de sitio, con base en las discrepancias observadas entre las muestras. Para construir las curvas se utilizó una edad base de 9 años. Para ambas muestras se probaron 8 funciones lineales y no lineales (pero linealizables) y 12 modelos no lineales. Para la Muestra 1 la función seleccionada fue la de Bai- ley y Clutter, y para la Muestra 2 se utilizó la fun- ción de Prodan; ambas ecuaciones presentaron un buen ajuste estadístico y mostraron un buen comportamiento cuando se graficaron contra los valores observados. La ecuación para la Muestra 1 presentó los siguientes estadísticos r = -0,94; R2adj = 0,89; MSE = 0,0565; SEE = 0,2378; y la ecuación para la Muestra 2 produjo los siguientes resultados: r = 0,93; R2adj = 0,87; MSE = 0,3886; SEE = 0,6234]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The analysis of the dominant height growth for Vochysia guatemalensis, based on a sample of permanent plots located in the Northern Huetar and the Caribbean Huetar regions of Costa Rica, allowed to distinguish 2 dissimilar growth patterns and develop differentiated site index curves. In order to carry out this work, all the information available about the growth of this species from public and private organizations was used, giving rise to a sample of 43 permanent sampling plots; which produced 397 dominant height-age averages, with which all models were adjusted. The first step was to classify the dominant height growth and as a result 3 site quality classes were preliminarily created; it allowed proving the existence of 2 different growth patterns in the sample: one represented by classes I and II (sample 1), and the other by class III (sample 2). Levene test did not reject the hypothesis of equality of variances between the samples, which indicates there is a high probability that Samples 1 and 2 may come from the same population, while t test rejected the null hypothesis of equality of means, revealing there are significant differences in the average of the dominant heights of both samples. Because of this, it was decided to adjust 2 separated sets of site index curves, based on the observed discrepancies. To build the curves, a base age of 9 years were used. In both cases, eight linear and non-linear (but linearizable) functions and 12 non-linear models were tested. For sample 1 the selected function was that of Bailey and Clutter, and for sample 2 the selected function was that of Prodan; both equations showed a good statistical fit and a good performance when graphed against the observed values. The equation for sample 1, presented the following statistics: r = -0.94; R2adj = 0.89; MSE = 0.0565; SEE = 0.2378; and the second equation for sample 2, showed the following results: r = 0.93; R2adj = 0.87; MSE = 0.3886; SEE = 0.6234]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vochysia guatemalensis]]></kwd>
<kwd lng="es"><![CDATA[crecimiento en altura dominante]]></kwd>
<kwd lng="es"><![CDATA[calidad de sitio]]></kwd>
<kwd lng="es"><![CDATA[índice de sitio]]></kwd>
<kwd lng="es"><![CDATA[curvas diferenciadas]]></kwd>
<kwd lng="es"><![CDATA[Costa Rica.]]></kwd>
<kwd lng="en"><![CDATA[Vochysia guatemalensis]]></kwd>
<kwd lng="en"><![CDATA[dominant height growth]]></kwd>
<kwd lng="en"><![CDATA[site quality]]></kwd>
<kwd lng="en"><![CDATA[site index]]></kwd>
<kwd lng="en"><![CDATA[differentiated curves]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="confpro">
<collab>Asociación Costarricense para el Estudio de Especies Forestales Nativas (ACEN).</collab>
<source><![CDATA[Especie: Vochysia guatemalensis]]></source>
<year>1992</year>
<conf-name><![CDATA[ SegundoEncuentro Regional sobre Especies Forestales Nativas de la Zona Norte y Atlántica de Costa Rica.]]></conf-name>
<conf-loc>Heredia, Costa Rica </conf-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alder]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Forest Volume Estimation and Yield Prediction]]></article-title>
<source><![CDATA[Yield Prediction. FAO Forestry Paper]]></source>
<year>1980</year>
<volume>2</volume>
<page-range>194</page-range><publisher-loc><![CDATA[Rome, Italia ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación del crecimiento de ocho especies forestales nativas en la Universidad EARTH, las Mercedes de Guácimo, Costa Rica]]></source>
<year>2002</year>
<page-range>67</page-range><publisher-name><![CDATA[Universidad EARTH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Calvo-]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Richter]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Dohrenbusch]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Productivity, Aboveground Biomass, Nutrient Uptake and Carbon Content in Fast-Growing Tree Plantations of Native and Introduced Species in the Southern Region of Costa Rica.]]></article-title>
<source><![CDATA[Biomass and Bioenergy]]></source>
<year>2011</year>
<volume>35</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1779-88</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bailey]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Clutter]]></surname>
<given-names><![CDATA[JL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Base-age invariant polymorphic site curves.]]></article-title>
<source><![CDATA[Forest Science]]></source>
<year>1974</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>155-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barraza]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Clasificación preliminar de sitios para plantaciones con Hyeronima alchorneoides, Vochysia guatemalensis, Vochysia ferruginea, Virola koschnyi y Terminalia amazonia, en la zona Nor-atlántica de Costa Rica.]]></source>
<year>1999</year>
<publisher-loc><![CDATA[Heredia, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[ME.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado A.]]></surname>
<given-names><![CDATA[Fernández-Moya J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vochysia guatemalensis Donn. Smith, an alternative species for reforestation on acid tropical soils.]]></article-title>
<source><![CDATA[New Forests]]></source>
<year>2016</year>
<volume>47</volume>
<page-range>1-16</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[ME.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Moya]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accumulation and export of nutrients in harvested wood of Vochysia guatemalensis in small-scale forest plantations.]]></article-title>
<source><![CDATA[Journal of Tropical Forest Science]]></source>
<year>2017</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>105-13</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Curtis]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A stem-analysis approach to site-index curves]]></article-title>
<source><![CDATA[Forest Science]]></source>
<year>1964</year>
<volume>10</volume>
<page-range>241-56</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[KN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Forest Management. USA, McGraw-Hill Higher Education,]]></article-title>
<source><![CDATA[Series in Forest Resources]]></source>
<year>1987</year>
<page-range>816</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Crecimiento de las plantaciones de especies nativas y su relación con la motivación de finqueros a reforestar en la región Huetar Norte de Costa Rica. Informe de práctica de especialidad]]></source>
<year>2002</year>
<page-range>127</page-range><publisher-loc><![CDATA[Cartago, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica. Escuela de Ingeniería Forestal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Levene]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Olkin]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<source><![CDATA[Contributions to Probability and Statistics: Essays in Honor of Harold Hotelling]]></source>
<year>1960</year>
<page-range>278-92</page-range><publisher-loc><![CDATA[Stanford, California, USA ]]></publisher-loc>
<publisher-name><![CDATA[Stanford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montagnini]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Sancho]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Net nitrogen mineralization in soils under six indigenous tree species, an abandoned pasture and a secondary forest in the Atlantic lowlands of Costa Rica.]]></article-title>
<source><![CDATA[Plant and Soil]]></source>
<year>1994</year>
<volume>162</volume>
<page-range>117-24</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Curvas de índice de sitio para Teca (Tectona grandis Linn.) en la Vertiente del Pacífico de Costa Rica. In Plantaciones de Teca (Tectona grandis): Posibilidades y perspectivas para su desarrollo.]]></source>
<year>2003</year>
<conf-name><![CDATA[ Seminario y Grupo de Discusión Virtual]]></conf-name>
<conf-loc>Heredia, Costa Rica </conf-loc>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Chinchilla]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Chaves]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Curvas polimórficas de índice de sitio para Cupressus lusitanica en la Región Central de Costa Rica]]></article-title>
<source><![CDATA[Revista Forestal Venezolana]]></source>
<year>2014</year>
<volume>58</volume>
<page-range>7-26</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores edáficos que influyen en el crecimiento de Vochysia guatemalensis en la región Huetar Norte de Costa Rica.]]></article-title>
<source><![CDATA[Agronomía Costarricense]]></source>
<year>2015</year>
<volume>39</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-89</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Efecto de la incorporación de hojarasca de especies forestales acumuladoras y no acumuladoras de aluminio sobre la distribución y las propiedades químicas de un suelo del trópico húmedo de Costa Rica.]]></source>
<year>1993</year>
<publisher-loc><![CDATA[Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[CATIE/UCR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prodan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Peters]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Real]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mensura Forestal. IICA-GTZ.]]></source>
<year>1997</year>
<page-range>561</page-range><publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Richards]]></surname>
<given-names><![CDATA[FJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A flexible growth function for empirical use.]]></article-title>
<source><![CDATA[J. Exp. Bot.]]></source>
<year>1959</year>
<volume>10</volume>
<page-range>290-300</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schumacher]]></surname>
<given-names><![CDATA[FX.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new growth curve and its applications to timber yield studies.]]></article-title>
<source><![CDATA[Journal of Forestry]]></source>
<year>1939</year>
<volume>37</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>819-20</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sit]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Poulin-Costello]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Catalog of curves for curve &#64257;tting. Biometrics Information Handbook Nº. 4.]]></article-title>
<source><![CDATA[Forest Science Research Branch,]]></source>
<year>1994</year>
<page-range>110</page-range><publisher-loc><![CDATA[Province of British Columbia, Victoria ]]></publisher-loc>
<publisher-name><![CDATA[Ministry of Forests,]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Moya]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vochysia guatemalensis en Costa Rica. Fondo Nacional de Financiamiento Forestal. Proyecto Reforesta]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Alfaro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Manning]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Site index curves for Lodgepole pine from southeastern Yukon. Environment Canada, Canadian Forestry Service, Information Report BC-X-247, Victoria, BC,]]></source>
<year>1984</year>
<page-range>12</page-range><publisher-loc><![CDATA[Canada ]]></publisher-loc>
<publisher-name><![CDATA[Pacific Forest Research Center]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
